Contradiction with John 15:5
Psalms 18:32 emphasizes God's empowering ability, whereas John 15:5 highlights human inability apart from Christ.
John 15:5: I am the vine, ye [are] the branches: He that abideth in me, and I in him, the same bringeth forth much fruit: for without me ye can do nothing. [without me: or, severed from me]
Contradiction with 2 Corinthians 12:9
Psalms 18:32 speaks of strength from God, while 2 Corinthians 12:9 focuses on strength in weakness and God's grace being sufficient.
2 Corinthians 12:9: And he said unto me, My grace is sufficient for thee: for my strength is made perfect in weakness. Most gladly therefore will I rather glory in my infirmities, that the power of Christ may rest upon me.
Contradiction with Jeremiah 17:5
Psalms 18:32 conveys reliance on God for strength, while Jeremiah 17:5 warns against trusting in human strength.
Jeremiah 17:5: Thus saith the LORD; Cursed [be] the man that trusteth in man, and maketh flesh his arm, and whose heart departeth from the LORD.
Contradiction with Philippians 4:13
While Psalms 18:32 attributes strength to God, Philippians 4:13 states that believers can do all things through Christ, suggesting self-empowerment through him.
Philippians 4:13: I can do all things through Christ which strengtheneth me.
Contradiction with Isaiah 30:1
Psalms 18:32 implies divine empowerment, whereas Isaiah 30:1 criticizes acting independently of God.
Isaiah 30:1: Woe to the rebellious children, saith the LORD, that take counsel, but not of me; and that cover with a covering, but not of my spirit, that they may add sin to sin: